Arm guard



FIG. 1 is a perspective view of an arm guard, showing our new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a left-side elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an exploded front elevational view thereof.

The broken lines showing a person's arm in FIG. 1 depict environmental matter and form no part of the claimed design. The remaining broken lines represent stitching, and are part of the claimed design. 

We claim the ornamental design for an arm guard, as shown and described. 